v0.4.4p3 is out w/ many improvements

Additions:-- Added "move back" function to the S and Numpad 5 key. The functionality of X/Numpad 2 remains, though.-- Doors are shown on the minimap now to make escape routes easier to plan.-- Added a menu to the death screen which allows you to load a savegame, restart the current map/chapter or quit the game.-- Savepoints are now used while loading the game or restarting a chapter.-- Added more details to the Tunnels level.Changes:-- Notification about unapplied armor upgrades has been added to the status report.-- Hitting the wall by accident no longer ends the turn.-- Reloading with a full mag no longer wastes the mag and results in an end of the turn.-- UI tweak: UNIT SETUP > WEAPON MENU > RELOAD now reloads the currently equipped weapon.-- ESC key can be used to skip the text faster.-- Certain strings have been slightly modified.-- Certain upgrades are applied upon pickup now to reduce backtracking.-- The color of doors has been changed to make them easier to see on the minimap.-- Balance has been revised.Fixes:-- Fixed an oversight where bazooka attack sound would play twice.-- Fixed a crash which would occur if the player saved at certain spots and loaded the game from another level.-- Fixed improper loading of player save data if the player was located in a different level.-- Fixed feedback effect from ramming appearing at wrong times.-- Fixed the UI not refreshing upon applying soft upgrades.-- Fix to a minor issue where the enemy would turn towards the next waypoint from their expected new position even if their current position hasn't changed due to obstacles/other reasons.-- Enemy AI has been refactored.-- Minor code optimizations.